220262550231 has 4 divisors (see below), whose sum is σ = 293683400312. Its totient is φ = 146841700152.

The previous prime is 220262550223. The next prime is 220262550239. The reversal of 220262550231 is 132055262022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (220262550223) and next prime (220262550239).

It is not a de Polignac number, because 220262550231 - 2³ = 220262550223 is a prime.

It is a super-2 number, since 2×220262550231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220262550239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36710425036 + ... + 36710425041.

It is an arithmetic number, because the mean of its divisors is an integer number (73420850078).

Almost surely, 2^220262550231 is an apocalyptic number.

220262550231 is a deficient number, since it is larger than the sum of its proper divisors (73420850081).

220262550231 is an equidigital number, since it uses as much as digits as its factorization.

220262550231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73420850080.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 220262550231 in words is "two hundred twenty billion, two hundred sixty-two million, five hundred fifty thousand, two hundred thirty-one".